Explanation:
white blood cells are the cells that do not have any shape
Answer:
This is the study of life
if it's a thunderstorm, that means there's lightning, not necessarily a tornado. You're thinking of a tornado. Lightning may strike trees, water, and tall objects, so it's best to stay away from them. The answer is C
Answer:
Over our lifetime, our DNA can undergo changes or mutations that result in differences in the DNA sequence and may affect the proteins that are made. Mutations can occur as a natural consequence of errors in DNA replication or as a result of exposure to environmental factors such as smoking, sunlight or radiation.
Explanation:
